<template>
  <view class="">
	<view class="cart-contain" v-if="cart.length !== 0">
    <my-address></my-address>
		<view class="cart-title">
		  <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
		  <!-- 右侧文本 -->
      <text class="cart-title-text">购物车</text>
		</view>
    
    <!-- 循环渲染购物车中的商品信息 -->
    <uni-swipe-action>
      <block v-for="(goods,i) in cart" :key="i">
      <uni-swipe-action-item :options="options" @click="swipeItemClickHandler(goods)">
        <my-goods :goods=goods :showRadio='true' @radio-change="radioChangeHandler" :showNum='true'  @num-change="numberChangeHandler"></my-goods>
      </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    
    <!-- 使用结算组件 -->
    <my-settle></my-settle>
	</view>
  
  <!--空白购物车  -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="empty-text">空空如也</text>
  </view>
</view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js'
import { mapState, mapMutations } from 'vuex'
 	export default {
    computed:{
      ...mapState('m_cart',['cart'])
    },
		data() {
			return {
				options:[{
          text:'删除',
          style:{
            backgroundColor:'#c00000'
          }
        }]
			};
		},
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        console.log(e)
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
        this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods){
        this.removeGoodsById(goods.goods_id)
      },
      
    },
    mixins:[badgeMix],
	}
</script>

<style lang="scss">
  .cart-contain{
    padding-bottom: 50px;
  }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
  }
}
.empty-cart{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top:150px ;
  .empty-img{
    width:90px ;
    height: 90px;
  }
  .empty-text{
    color: gray;
    font-size: 12px;
    margin-top: 10px;
  }
}
</style>
